Home / 8,947.58-13,421.50-2,707.65

Finding the Fourth Proportional to 8,947.58, 13,421.50 and 2,707.65

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Solution

The fourth proportional to 8,947.58, 13,421.50 and 2,707.65 is: 4,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.58 : 13,421.50 = 2,707.65 : x
  2. Step 2: Convert to fraction form
    8,947.58/13,421.50 = 2,707.65/x
  3. Step 3: Cross multiply
    8,947.58x = 13,421.50 × 2,707.65
  4. Step 4: Simplify right side
    8,947.58x = 36,340,717.71
  5. Step 5: Solve for x
    x = 36,340,717.71/8,947.58
  6. Step 6: Final answer
    x = 4,061.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.